Re: [PATCH 6.12 00/70] 6.12.82-rc1 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Thu, Apr 16, 2026 at 07:55:19PM +0100, Eddie Chapman wrote:
> On 13/04/2026 16:59, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 6.12.82 release.
> > There are 70 patches in this series, all will be posted as a response
> > to this one.  If anyone has any issues with these being applied, please
> > let me know.
> > 
> > Responses should be made by Wed, 15 Apr 2026 15:57:08 +0000.
> > Anything received after that time might be too late.
> > 
> > The whole patch series can be found in one patch at:
> > 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.12.82-rc1.gz
> > or in the git tree and branch at:
> > 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.12.y
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> I just wanted to point out that the revert of "PCI: Enable ACS after
> configuring IOMMU for OF platforms" is missing here despite being queued in
> the 6.1 & 6.6 rcs (it is meant to be reverted from 6.12 as well). I noticed
> when updating to 6.12.82-rc1 today as I was bit by the regression (all my
> IOMMU groups messed up).
> 
> The revert for 6.12 is in fact here:
> https://lore.kernel.org/stable/20260320172335.29778-1-john@kernel.doghat.io/
> 
> but unfortunately easily missed as shown by the confusion here (same
> thread):
> https://lore.kernel.org/stable/99426bd8-32e5-4246-9d3b-772e136bc078@leemhuis.info/
> 
> subsequently clarified by the patch author here (also same thread):
> https://lore.kernel.org/stable/5hng5r6q525scbclramuv2h2hphljbcsscwohvrs7teuedgfvl@ncr7tqhr4l4z/
> 
> Other than that 6.12.82-rc1 boots and runs fine for me on the one AMD Ryzen
> system I've tried it on.

That was not obvious at all, please don't make us dig through email
threads to know what to and not to apply, it doesn't scale when dealing
with the email volume we get.

Can someone resend that patch, properly marked fro 6.12, so we know to
apply it there?

thanks,

greg k-h